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Two small enhancements to intrinsics docs #45461

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Merged
bors merged 2 commits into from
Oct 25, 2017
Merged

Two small enhancements to intrinsics docs #45461

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860e436
Document the `size_of_val` instrinsic
wesleywiser Oct 22, 2017
3bc97bf
Add link to stable version of `needs_drop` intrinsic
wesleywiser Oct 23, 2017
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7 changes: 7 additions & 0 deletions src/libcore/intrinsics.rs
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Expand Up @@ -676,6 +676,10 @@ extern "rust-intrinsic" {
pub fn min_align_of<T>() -> usize;
pub fn pref_align_of<T>() -> usize;

/// The size of the referenced value in bytes.
///
/// The stabilized version of this intrinsic is
/// [`std::mem::size_of_val`](../../std/mem/fn.size_of_val.html).
pub fn size_of_val<T: ?Sized>(_: &T) -> usize;
pub fn min_align_of_val<T: ?Sized>(_: &T) -> usize;

Expand Down Expand Up @@ -921,6 +925,9 @@ extern "rust-intrinsic" {
///
/// If the actual type neither requires drop glue nor implements
/// `Copy`, then may return `true` or `false`.
///
/// The stabilized version of this intrinsic is
/// [`std::mem::needs_drop`](../../std/mem/fn.needs_drop.html).
pub fn needs_drop<T>() -> bool;

/// Calculates the offset from a pointer.
Expand Down